package com.imooc.distributedemo.resume.proxy;

import org.springframework.cglib.proxy.Enhancer;
import org.springframework.cglib.proxy.MethodInterceptor;
import org.springframework.cglib.proxy.MethodProxy;

import java.lang.reflect.Method;

public class CglibProxy implements MethodInterceptor {

    private Enhancer enhancer = new Enhancer();

    public Object getProxy(Class clazz){
        // 设置需要创建子类的类
        enhancer.setSuperclass(clazz);
        enhancer.setCallback(this);
        return enhancer.create();
    }

    // 实现MethodInterceptor接口方法
    @Override
    public Object intercept(Object o, Method method, Object[] objects, MethodProxy methodProxy) throws Throwable {
        System.out.println("前置代理");
        // 通过代理类调用父类中的方法
        Object result = methodProxy.invokeSuper(o,objects);
        System.out.println("后置代理");
        return result;
    }
}
